DuraVent DuraTech 8" Elbow Strap h41.375 standard high/low flame adjustment options

standard high/low flame adjustment options

4000W model: 8' to 11'

) Listings UL-641

and treatments are deemed ineffective

DuraVent DuraTech 8" Elbow Strap h41.375 standard high/low flame adjustment optionsWith a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool, while ensuring high flue gas temperatures for optimum draft performance. The inner wall is 25% thicker than competitive chimneys for an extra margin of safety. No locking bands or mechanical fasteners required. DuraTechs sleek 1" wall design provides for easy installations through 16" on